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Gruen Autowind Rocket [message #14573] Sun, 28 February 2021 16:19 Go to previous message
asilver is currently offline  asilver
Messages: 3
Registered: February 2021
Gruen Apprentice
I have my grandfather's Gruen and was having trouble figuring out the different codes/numbers to determine when it was made. Below is the information from inside the case, I'm hoping this is something this group can help me decipher.

Cased and Time by Gruen Watch Co.
Guildite Back
F58427
550SS-022

There are also some etchings that seem to be from when the watch was serviced over the years, the first of which appears to be 1961. Finally, I'm not sure if this is correct, but the serial number appears to be 1560, and there's an "F" in a crown-like shape immediately before the number. Thanks!

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/vgforum/index.php?t=getfile&id=7896&private=0

Edit by admin: inserted images into the message

[Updated on: Mon, 21 March 2022 22:57] by Moderator

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